Good Riddance by Glee Cast is in G at 172 beats per minute and runs 2:07 across 32 bars. It uses 7 chords — G5, C, D5, Em, D, C9, G. The chord diagram changes as the song plays and the words light up as they are sung, so you can strum and sing along without reading ahead.
Want the melody line note by note? Good Riddance guitar melody tab.